Relief of back pain in girls should be based on different causes and take different measures. Commonly, there are physiological, pathologic such as urinary tract infection, pelvic inflammatory disease and so on. Specific methods are physical therapy treatment, drug treatment, surgical treatment. 1. Physiological: bed rest is the most direct and effective way to relieve lumbar pain, because when lying down, the weight of the waist can be greatly reduced, the lumbar muscles can be properly relaxed, relieve lumbar pain. If the pain is more intense, you can localized hot compresses, physiotherapy massage. All can relieve women’s pain to a certain extent. 2. Urinary tract infection: when the urinary tract infection to the renal pelvis area, can radiate to the waist to trigger back pain. It is necessary to carry out anti-infection treatment under the guidance of the doctor, such as quinolone antibiotic levofloxacin, and drink a lot of water to increase the frequency of urination, and if the abscess is too much, consider puncture drainage surgery. 2. Pelvic inflammatory disease: the pelvis is congested because of inflammation, affecting the lower limbs and pelvic vein reflux, the waist will cause pain. Can follow the doctor’s instructions to take broad-spectrum antibiotics and other drugs such as cephalosporin antibiotics, levofloxacin and other combined treatment is the best. Therefore, it is recommended that girls with low back pain go to the hospital and be treated according to their diagnosis and under the advice of their doctor.